Bed frame



FIG. 1 is a perspective view of a front, top, and right side of an ornamental design for a bed frame;

FIG. 2 is a front elevational view of the bed frame of FIG. 1;

FIG. 3 is a rear elevational view of the bed frame of FIG. 1;

FIG. 4 is a right side elevational view of the bed frame of FIG. 1;

FIG. 5 is a left side elevational view of the bed frame of FIG. 1;

FIG. 6 is a top plan view of the bed frame of FIG. 1; and,

FIG. 7 is a bottom plan view of the bed frame of FIG. 1.

The dash-dash-dash lines showing environmental structure form no part of the claimed design. The dash-dot-dash lines form no part of the claimed design and represent a boundary line. The contrast in stippling represents a contrast in appearance only and does not represent any particular color, material, texture, or finish. 

CLAIM The ornamental design for a bed frame, as shown and described. 